AuroraPipeline/fuck-premake-old2
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Adjusting LuaSrcDiet so we can use dofile() and call it, returning the trimmed down source (Oliver Schneider)

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This commit is contained in:
Jason Perkins 2015-03-29 15:33:51 -04:00
parent 0ba8efd2df
commit 4284905a9f
2 changed files with 21 additions and 34 deletions
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36
scripts/embed.lua
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@ -7,40 +7,10 @@
local function loadScript(fname)
dofile("scripts/luasrcdiet/LuaSrcDiet.lua")
fname = path.getabsolute(fname)
local f = io.open(fname)
local s = assert(f:read("*a"))
f:close()
-- strip tabs
s = s:gsub("[\t]", "")
-- strip any CRs
s = s:gsub("[\r]", "")
-- strip out block comments
s = s:gsub("[^\"']%-%-%[%[.-%]%]", "")
s = s:gsub("[^\"']%-%-%[=%[.-%]=%]", "")
s = s:gsub("[^\"']%-%-%[==%[.-%]==%]", "")
-- strip out inline comments
s = s:gsub("\n%-%-[^\n]*", "\n")
-- escape backslashes
s = s:gsub("\\", "\\\\")
-- strip duplicate line feeds
s = s:gsub("\n+", "\n")
-- strip out leading comments
s = s:gsub("^%-%-[^\n]*\n", "")
-- escape line feeds
s = s:gsub("\n", "\\n")
-- escape double quote marks
s = s:gsub("\"", "\\\"")
local s,l = get_slim_luasrc(fname)
print("\ttrimmed size: ", s:len(), " down from: ", l:len())
return s
end

19
scripts/luasrcdiet/LuaSrcDiet.lua
View File

@ -4097,6 +4097,8 @@ local EOLTYPES = { -- EOL names for token dump
------------------------------------------------------------------------
-- read source code from file
------------------------------------------------------------------------
local loaded_file_contents = ""
local saved_file_contents = ""
local function load_file(fname)
local INF = io.open(fname, "rb")
@ -4104,6 +4106,7 @@ local function load_file(fname)
local dat = INF:read("*a")
if not dat then die('cannot read from "'..fname..'"') end
INF:close()
loaded_file_contents = dat
return dat
end
@ -4112,11 +4115,14 @@ end
------------------------------------------------------------------------
local function save_file(fname, dat)
saved_file_contents = dat
--[[
local OUTF = io.open(fname, "wb")
if not OUTF then die('cannot open "'..fname..'" for writing') end
local status = OUTF:write(dat)
if not status then die('cannot write to "'..fname..'"') end
OUTF:close()
]]
end
------------------------------------------------------------------------
@ -4457,6 +4463,7 @@ end
-- main functions
----------------------------------------------------------------------]]
--[[
local arg = {...} -- program arguments
local fspec = {}
set_options(DEFAULT_CONFIG) -- set to default options at beginning
@ -4594,5 +4601,15 @@ end
if not main() then
die("Please run with option -h or --help for usage information")
end
]]
-- end of script
-- Start of premake4 customizations
function get_slim_luasrc(fname)
set_options(DEFAULT_CONFIG)
set_options(MAXIMUM_CONFIG)
option.OUTPUT_FILE = "-"
option.QUIET = true
process_file(fname, "-")
return saved_file_contents or "", loaded_file_contents
end